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Zapco ST-68X.DSP 4-Ch Class AB Amplifier with 8-Ch DSP

Zapco ST-68X.DSP 4-Ch Class AB Amplifier with 8-Ch DSP

SKU ZAPST68XDSP Categories , Tags ,
  • 4 Channel Class A/B Amplifier with DSP
  • Power @ 4Ω: 2 x 25 watts
  • Power @ 4Ω: 2 x 35 watts
  • On-Board, 8-ch. Digital Signal Processing
  • High level inputs with signal sensing
  • Optional BT Streaming Port


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The new STX DSP amps are the first to get the new Studio brushed aluminum finned chassis with thermal controlled fan cooling, to play hard all day long without shutting down. Both the new units have improved high speed (96kHz) digital signal processing for 8 channels to provide processed channels for an extra bass amp with the 6X DSP and for two external amps with the 4X DSP



With the new Studio-X SQ III you get the sound quality that other companies offer only in their big competition amps (and better than many of them) in a new fan cooled aluminum heat sink for improved efficiency and reliability, with 70W RMS/Channel @ 4Ω and 95W RMS/channel @ 2Ω (100W/Ch. @ 4Ω and 150W/Ch. @ 2Ω for the ST-6X SQ III). You also get plenty of features, like 12dB/octave multi-function crossovers, bass boost, variable gain and even pass-through RCA outputs so you can daisy chain amps.As for performance, the Studio-X SQ III gives you more than power. These amps have less then 0.1% THD+noise and over 95dB signal to noise for multi-ch. amps; less then 0.1% THD+noise and over 100dB signal to noise for mono amps.

The ST-4X DSP and the ST-6X DSP give you the great class AB sound with the compact chassis of the ST-X series and the amazing control and tuning ability of Digital Processing. With these DSP/Amplifiers you are not trading power for control, you get both. These DSP amplifiers also have an optional Bluetooth Port for external APTX HD BT Streaming Module.


ST-68X.DSP Specifications

  • Power @ 4Ω: 4 x 25 watts
  • THD @ Rated Power  < 0.5% THD
  • Power @ 2Ω: 4 x 35 watts
  • Power (Max): 4 x 70W
  • Signal to Noise Ratio > 90dB
  • THD + Noise < 0.2%
  • Channel Separation  >60dB
  • Frequency Response 15Hz to 30KHz ±1dB
  • Dimensions in mm: 160(W) x 57(H) x 131(L) Overall: 160(W) x 57(H) x 156(L)


Control Program Download

PC Software

Windows PC > DCP v.1.02